Sabrina Bottlebrush (Callistemon sabrina)

Sabrina Bottlebrush

Callistemon sabrina

Its brush-like blooms glow like coral torches in summer. Evergreen flowering shrub; common name: Sabrina Bottlebrush.

Full sun
1–2/week
Beginner
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Plant Needs

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Sunlight Full sun to partial shade; thrives in direct sunlight for most of the day, with light afternoon shade in extreme heat
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Watering Water deeply when the top 2–3 cm of soil is dry; avoid overwatering to prevent root rot
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Temperature Tolerates light frost down to 5°C but prefers warm temperate conditions; protect from prolonged extreme cold
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Characteristics

  • Leaf: Narrow linear leaves, 5–8 cm long, glossy green with aromatic oil glands
  • Flower: Dense cylindrical red blooms resembling bottlebrushes; stamens form the distinct "brush" structure
  • Stem: Woody branching stems with peeling brown bark as it matures
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Care Guide

Watering

Keep soil consistently moist during the active growing season

Fertilization

Apply balanced slow-release fertilizer. Avoid over-fertilizing to prevent excessive foliage growth at the expense of flowering

Banana peel tea:Soak chopped banana peels in water for 3 days, dilute 1:20 for root drench; discard solid peels to avoid pest attraction
Pruning
  • Deadhead spent blooms immediately after flowering to encourage additional late-season blooms
  • Thin overcrowded inner branches in late winter to improve airflow and reduce disease risk
  • Shape lightly after flowering to maintain its compact rounded habit
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA: Non-toxic to cats

Humans: No documented toxicity to humans

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Garden Uses & Culture

Culture: Symbolizes resilience and summer vibrancy in Australian native garden design

Usage: Ornamental garden shrub; attracts pollinators including bees and honeyeaters